Warehouse base class added
refs #3692
Switching Indicators and Markers to new warehouse

Switch MaterialWarehouse over to Warehouse

Moving constraints over to Warehouse

Covert Dirac Kernel Warehouse over

Coverting VariableWarehouse over

Coverting PostprocessorWarehouse over

Coverting UserObject Warehouse over

Convert AuxKernel Warehouse over

Covert VectorPostprocessors over

Moving splits over

Coverting OutputWarehouse over

Convert Multiapp Warehouse over

Moving DGKernel Warehouse over

Moving Transfer Warehouse over

Moving Action Warehouse over

Moving BC Warehouse over

Move Dampers over
Merge pull request #3975 from permcody/warehouse_base_squash

Warehouse base squash